Optimisation of reaction conditions ^ab.

Entry	Change from conditions above	3a (%)
1	None	54%
2	Addition of 5 eq. pyridine	55%
3	Addition of 5 eq. 2,6-lutidine	53%
4	30 mol% 1	55%
5	20 mol% TEMPO in place of 1	52%
6	No 1 added	25%
7	10 mA	—c
8	No current	0%
9	0.1 M [TBA][PF6] in place of LiClO4	20%
10	0.1 M [TBA][BF4] in place of LiClO4	13%
11	0.1 M [TBA][ClO4] in place of LiClO4	21%
12	0.1 M NaClO4 in place of LiClO4	42%
13	0.5 mmol 2a and reaction time of 3 h	43%
14	0.5 mmol 2a and reaction time of 6 h	98%
15	2 mmol 2a and reaction time of 24 h	99%
16	0.5 mmol 2a, 3h, Pt anode, Ni cathode	46%
17	0.5 mmol 2a, 3h, glassy carbon anode, Ni cathode	41%
18	0.5 mmol 2a, 3h, graphite anode, Pt cathode	35%

^aReactions performed on the 1 mmol scale unless stated otherwise.

^bProduct conversion determined by ¹H-NMR spectroscopy.

^cSignificant electrode fouling observed.